html, body {
  width: 100%;
  height: 100%;
}
html {
    -ms-text-size-adjust: 100%;
    font-family: sans-serif;
}
body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}
#root {
   height: 100%;
}
.App{
  height: 100%;
}
.router {
  height: 100%;
}

/*通用样式*/
.ta-c {
  text-align: center;
}
